Multi-Grip Medicine Ball Framework for Precise Joint-Neutral Training
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Solution Overview
Problem
Conventional medicine balls lack precision in muscle engagement, increase injury risk due to non-standard handholds, and do not integrate well with other exercise equipment.
Innovation Solution
A multi-grip medicine ball with a rigid internal and external framework, featuring graduated handholds and connector loops for attaching to various resistance types, allowing customizable grip positions and integration with other fitness equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional medicine balls use a one-size-fits-all design without dedicated handholds, then the device complexity is reduced and manufacturing is simpler, but the precision of muscle engagement deteriorates and injury risk increases
Solution Approach 1:
The medicine ball surface is segmented into multiple distinct grip zones with different textures and depths, allowing users to select specific handhold positions for different muscle engagement patterns. This segmentation enables precise targeting of muscle groups while maintaining a relatively simple overall spherical structure.
Solution Approach 2:
Different regions of the medicine ball surface are given different local qualities through varied texture patterns, depths, and materials. This allows specific areas to be optimized for particular grip types and muscle engagements, improving precision without requiring complete structural redesign.
2Adaptability or versatility
If conventional medicine balls force users to adapt to non-standard handholds, then the versatility of the exercise ball is maintained, but the ease of operation deteriorates and injury risk increases
Solution Approach 1:
The surface is divided into multiple standardized grip zones that accommodate different hand sizes and grip preferences. Users can easily select the appropriate handhold position without forcing their hands into unnatural positions, improving ease of operation while maintaining versatility across different user populations.
Solution Approach 2:
The multiple grip zones are designed to serve multiple functions - accommodating different grip styles (palms-up, palms-down, neutral), different hand sizes, and various exercise movements. This universal design improves ease of operation for all users while preserving the versatility of the exercise ball.
3Device complexity
If conventional medicine balls lack dedicated handholds, then the device complexity is minimized, but the reliability of safe operation deteriorates due to increased injury risk
Solution Approach 1:
By segmenting the surface into dedicated grip zones with appropriate textures and depths, the design provides reliable handhold positions that reduce the risk of slipping and improper gripping, thereby improving safety without adding complex mechanical components.
Solution Approach 2:
The grip zones are designed with textured surfaces and appropriate depths to prevent slippage before injury can occur. This proactive design approach cushions against potential safety issues by ensuring secure grip positions are available from the start, reducing injury risk without adding complex safety mechanisms.
4Ease of manufacture
If conventional medicine balls present a weighted sphere without dedicated handholds, then the ease of manufacture is improved, but the adaptability to different user specifications deteriorates
Solution Approach 1:
The segmented grip zones can be integrated into the manufacturing process using standard molding techniques, allowing different texture patterns and depths to be created in the same production run. This maintains ease of manufacture while providing adaptability to different user specifications through varied grip options.
Solution Approach 2:
Different local qualities (textures, depths, materials) are applied to specific regions during manufacturing using established techniques. This allows the product to be customized for different user needs without requiring separate manufacturing processes, maintaining ease of production while improving adaptability.
Data Source
AI summary
A multi-grip medicine ball may include a medicine ball having a body and an outer surface, and a plurality of paired grips may be disposed along the outer surface of the medicine ball. A rigid external framework may extend through the body of the medicine ball, such that a first portion of the rigid external framework may protrude from a first side of the body of the medicine ball and a second portion of the rigid external framework may protrude from a second side of the body of the medicine ball.